Point Cloud Equipment Management for Nameplate Visibility
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Solution Overview
Problem
The use of three-dimensional point cloud data for infrastructure management systems is hindered by the large data volume, leading to drawing speed issues and difficulties in identifying and associating equipment nameplates, especially when equipment is overcrowded, causing user stress and reduced operability.
Innovation Solution
An equipment management apparatus that associates nameplate data with points or three-dimensional coordinates in point cloud data, allowing for two-dimensional conversion and controlled display to improve visibility and reduce overlap, thereby enhancing user interaction.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If three-dimensional point cloud data is used for infrastructure management, then comprehensive equipment information can be managed, but drawing speed decreases and user operability deteriorates due to extremely large data volume
Solution Approach 1:
The patent segments the large point cloud data into multiple regions or areas, allowing the system to process and display only relevant portions at a time. This segmentation enables comprehensive equipment information to be managed while maintaining drawing speed by avoiding rendering of the entire point cloud dataset simultaneously.
Solution Approach 2:
The patent extracts and prioritizes display of nameplate data and essential equipment information from the comprehensive point cloud data. By separating critical information (nameplates, equipment identifiers) from the full point cloud dataset, the system maintains fast drawing speed while still providing access to comprehensive equipment information when needed.
2Quantity of substance
If three-dimensional point cloud data is used for infrastructure management, then comprehensive equipment information can be managed, but user stress increases and operability deteriorates due to difficulty in identifying equipment nameplates
Solution Approach 1:
The patent applies local quality enhancement by specifically optimizing the display characteristics of nameplate data within the point cloud. Nameplates are rendered with enhanced visibility properties (such as contrasting colors, larger font sizes, or positioned at optimal locations) compared to the surrounding point cloud data, making equipment identification easier while maintaining comprehensive information capacity.
Solution Approach 2:
The patent utilizes color changes to improve nameplate visibility. Nameplate data is displayed with distinct colors or color enhancements that differentiate them from the point cloud background, allowing users to quickly identify equipment locations and information without being overwhelmed by the complexity of the full point cloud dataset.
3Loss of information
If point cloud data is displayed in three-dimensional form, then complete spatial information is preserved, but data processing load increases causing screen freezes
Solution Approach 1:
The patent implements dynamic display modes that allow the system to switch between different levels of point cloud processing. Users can toggle between full three-dimensional point cloud display (preserving complete spatial information) and simplified two-dimensional or reduced-point-cloud modes (reducing processing load). This dynamic approach maintains system stability while preserving spatial information completeness when needed.
Solution Approach 2:
The patent applies partial action by selectively processing and displaying only the necessary portion of the point cloud data at any given time. Instead of processing the entire point cloud dataset for display, the system processes only the relevant region or subset of points needed for the current view, reducing processing load and preventing screen freezes while maintaining the ability to access complete spatial information on demand.
Data Source
AI summary
An equipment management apparatus according to the present invention includes a recording unit, a display unit, and a display control unit. The recording unit records equipment information which includes nameplate data, and point cloud data which is a set of points each having a three-dimensional coordinate. The display control unit acquires projection information which is a condition for two-dimensionally converting the point cloud data so as to control display of the point cloud data on the display unit, and controls display of the nameplate data on the display unit. The display control unit controls display of the nameplate data on the display unit based on a position at which a point in point cloud data, with which the nameplate data is associated, is displayed on the display unit, or controls display of the nameplate data on the display unit based on a three-dimensional coordinate with which the nameplate data is associated.